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Stock Compensation and Long Term Incentive Plan - Narrative (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Expected dividend rate (as a percent) | 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate | 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate | 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate |
| Weighted average remaining contractual term of outstanding options (in years) | 5 years 6 months 1 day | ||
| Weighted average remaining contractual term of exercisable options (in years) | 4 years 4 months 26 days | ||
| Aggregate intrinsic value of outstanding options | $ 206.6us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue | ||
| Intrinsic value of exercisable options | 115.8us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 | ||
| Intrinsic value of options exercised | 55.8us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue | 16.1us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue | |
| Held by Liberty Media | 18,765,137us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber | ||
| Payments of Long Term Incentive Plan | 0strza_PaymentsofLongTermIncentivePlan | 3.2strza_PaymentsofLongTermIncentivePlan | 33.4strza_PaymentsofLongTermIncentivePlan |
| Employee Stock Option | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Award vesting period (in years) | 4 years | ||
| Employee Stock Option | Minimum | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Award term (in years) | 7 years | ||
| Employee Stock Option | Maximum | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Award term (in years) | 10 years | ||
| Restricted Stock | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number |
708,658us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
1,438,909us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
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| Restricted Stock | Minimum | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Award vesting period (in years) | 1 year | ||
| Restricted Stock | Maximum | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Award vesting period (in years) | 4 years | ||
| Employees | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Number of shares authorized |
23,800,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_PlanNameAxis = strza_EmployeesMember |
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| Non-Employee and Director | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Number of shares authorized |
1,400,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_PlanNameAxis = strza_NonEmployeeandDirectorMember |
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| Incentive Plan, Stock Options and Restricted Stock | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Expense related to the Exchange |
5.8us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost / us-gaap_PlanNameAxis = strza_IncentivePlanStockOptionsAndRestrictedStockMember |
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| Unrecognized compensation cost |
67.4us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_PlanNameAxis = strza_IncentivePlanStockOptionsAndRestrictedStockMember |
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| Weighted average recognition period (in years) | 2 years 6 months 12 days | ||
| Long Term Incentive Plan 2006 | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Award vesting period (in years) | 4 years | ||
| Payments of Long Term Incentive Plan |
$ 0strza_PaymentsofLongTermIncentivePlan / us-gaap_PlanNameAxis = strza_LongTermIncentivePlan2006Member |
$ 3.2strza_PaymentsofLongTermIncentivePlan / us-gaap_PlanNameAxis = strza_LongTermIncentivePlan2006Member |
$ 33.4strza_PaymentsofLongTermIncentivePlan / us-gaap_PlanNameAxis = strza_LongTermIncentivePlan2006Member |
| Liberty Media | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Held by Liberty Media |
2,700,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_TitleOfIndividualAxis = strza_LibertyMediaMember |
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| Liberty Media | Restricted Stock | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number |
300,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = strza_LibertyMediaMember |
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- Definition
Payments of Long Term Incentive Plan No definition available.
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- Definition
Unrecognized cost of unvested share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Additional share-based compensation cost recognized as a result of an occurrence of an event that accelerates its recognition. No definition available.
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- Definition
Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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